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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 28, 2019 | Sep. 29, 2018 | Sep. 30, 2017
Statement of Cash Flows [Abstract] |  |  |
Interest Paid, Excluding Capitalized Interest, Operating Activities | $ 1,634 | $ 1,054 | $ 1,059
CASH FLOWS FROM OPERATING ACTIVITIES: |  |  |
Net income | 11,653 | 56,676 | 126,099
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 20,304 | 19,015 | 16,257
Impairment charges | 0 | 0 | 35,207
Equity-based compensation and employee benefits | 14,332 | 11,685 | 11,722
(Excess tax benefits) / Reversal of excess tax benefits from stock based compensation | 0 | (50) | 4,392
Adjustment for doubtful accounts | 212 | 383 | (136)
Adjustment for inventory valuation | 2,657 | 4,897 | 10,925
Deferred taxes | 8,825 | 22,519 | (16,758)
Gain/(loss) on disposal of property, plant and equipment | 20 | (676) | (999)
Unrealized foreign currency translation | (3,325) | (2,002) | 1,362
Share of results of equity-method investee | 124 | 129 | (190)
Changes in operating assets and liabilities, net of assets and liabilities assumed in businesses combinations: |  |  |
Accounts and notes receivable | 47,395 | (45,154) | (67,879)
Inventory | 24,105 | 1,631 | (47,425)
Prepaid expenses and other current assets | (490) | 9,405 | (8,468)
Accounts payable, accrued expenses and other current liabilities | (53,759) | (30,868) | 63,425
Income taxes payable | (7,758) | 77,968 | 3,946
Other, net | 1,672 | (2,059) | 4,830
Net cash provided by operating activities | 65,967 | 123,499 | 136,310
CASH FLOWS FROM INVESTING ACTIVITIES: |  |  |
Acquisition of business, net of cash acquired | 0 | 0 | (27,119)
Purchases of property, plant and equipment | (11,742) | (20,496) | (25,590)
Proceeds from sales of property, plant and equipment | 210 | 625 | 1,352
Purchase of equity investments | (5,000) | 0 | (1,312)
Purchase of short term investments | (619,000) | (684,000) | (305,000)
Maturity of short term investments | 683,000 | 607,000 | 213,000
Net cash provided by / (used in) investing activities | 47,468 | (96,871) | (144,669)
CASH FLOWS FROM FINANCING ACTIVITIES: |  |  |
Payment on debts | (30,773) | (704) | (604)
Proceeds from exercise of common stock options | 14 | 55 | 509
Repurchase of common stock | (99,897) | (90,310) | (18,197)
(Reversal of excess tax benefits) / Excess tax benefits from stock based compensation | 0 | 0 | (4,392)
Proceeds from short term debt | 90,904 | 0 | 0
Common stock cash dividends paid | (31,566) | (8,176) | 0
Net cash used in financing activities | (71,318) | (99,135) | (22,684)
Effect of exchange rate changes on cash, cash equivalents and restricted cash | 919 | 715 | 76
Changes in cash, cash equivalents and restricted cash | 43,036 | (71,792) | (30,967)
Cash, cash equivalents and restricted cash at beginning of period | 321,148 | 392,940 | 423,907
Cash, cash equivalents and restricted cash at end of period | 364,184 | 321,148 | 392,940
CASH PAID FOR: |  |  |
Income taxes | $ 22,073 | $ 13,179 | $ 8,283

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